Varied Carpet Beetle
Introduction: the varied carpet beetle probably gets its common name because there is great variation in the color pattern on its dorsal surface. It is worldwide in distribution and is found throughout the United States.
Recognition: Adults about 1/16"-1/8" (1.8-3.2mm) long. Body black with pattern of yellow and white scales on pronotum and elytra (wing covers).
Habits: Varied carpet beetle larvae feed on a wide variety of animal and plant products. Animal-origin materials include woolens carpets furs hides feathers horns bones hair silk fish meal insect pupae and dead insects. Plant-origin materials include rye meal corn red pepper cacao cereals etc. Their favored foods are insects and spiders which makes them a major pest of museum collections and buildings with cluster fly boxelder bug etc. problems.